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Rabbit
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_Rabbit, any of 28 species of long-eared mammals belonging to the family Leporidae, excluding hares (genus Lepus). Frequently the terms rabbit and hare are used interchangeably, a practice that can cause confusion— jackrabbits, for instance, are actually hares, whereas the rockhares and the hispid hare are rabbits.Rabbits are ground dwellers that live in environments ranging from desert to tropical forest and wetland. Their natural geographic range encompasses the middle latitudes of the Western Hemisphere. In the Eastern Hemisphere rabbits are found in Europe, portions of Central and Southern Africa, the Indian subcontinent, Sumatra, and Japan. The European rabbit (Oryctolagus cuniculus) has been introduced to many locations around the world, and all breeds of domestic rabbit originate from the European. Nearly half of the world’s rabbit species are in danger of extinction; many are among the most vulnerable of all mammals.
_The long ears of rabbits are most likely an adaptation for detecting predators. In addition to their prominent ears, which can measure up to 6 cm (more than 2 inches) long, rabbits have long, powerful hind legs and a short tail. Each foot has five digits (one reduced); rabbits move about on the tips of the digits in a fashion known as digitigrade locomotion. Full-bodied and egg-shaped, wild rabbits are rather uniform in body proportions and stance.
_Most rabbits produce many offspring (kittens) each year, although scarcity of resources may cause this potential to be suppressed. A combination of factors allows the high rates of reproduction commonly associated with rabbits. Rabbits generally are able to breed at a young age, and many regularly conceive litters of up to seven young, often doing so four or five times a year. In addition, females (does) exhibit induced ovulation, their ovaries releasing eggs in response to copulation rather than according to a regular cycle. They can also undergo postpartum estrus, conceiving immediately after a litter has been born.Newborn rabbits are naked, blind, and helpless at birth (altricial). Mothers are remarkably inattentive to their young and are almost absentee parents, commonly nursing their young only once per day and for just a few minutes. To overcome this lack of attention, the milk of rabbits is highly nutritious and among the richest of that of all mammals. The young grow rapidly, and most are weaned in about a month. Males (bucks) do not assist in rearing the kittens.
_Both wild and domestic rabbits are of economic importance to people. Wild lagomorphs are popular with hunters for sport as well as for food and fur. Rabbit meat, known for its delicate flavor, remains an important source of protein in many cultures. Domestic rabbits are raised for meat and skins, the latter being used as pelts and for making felt.